Customization: | Available |
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Certification: | CE, ISO 9001:2008 |
Standard: | ASME, BS, ANSI, GB, ASTM, DIN |
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Audited by an independent third-party inspection agency
Defect | Causes |
Unfilled sections | Insufficient material Low pouring temperature |
Porosity | Melt temperature is too high Non-uniform cooling rate Sand has low permeability |
Hot tearing | Non-uniform cooling rate |
Surface projections | Erosion of sand mold interior A crack in the sand mold Mold halves shift |